Date: Tue, 10 Apr 2018 17:45:25 +1000 (EST) From: Bruce Evans <brde@optusnet.com.au> To: bugs@freebsd.org Cc: jeff@freebsd.org, decui@microsoft.com Subject: Re: [Bug 227404] UP FreeBSD VM always hangs on reboot since 20180329-r331740 Message-ID: <20180410173347.D1459@besplex.bde.org> In-Reply-To: <bug-227404-39-TxuoE7IXT0@https.bugs.freebsd.org/bugzilla/> References: <bug-227404-39@https.bugs.freebsd.org/bugzilla/> <bug-227404-39-TxuoE7IXT0@https.bugs.freebsd.org/bugzilla/>
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On Tue, 10 Apr 2018 a bug that doesn't want replies@freebsd.org wrote: (The bug didn't even Cc freebsd-bugs for this followup.) > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227404 > --- Comment #4 from Dexuan Cui <decui@microsoft.com> --- > I think the first bad patch is this one: > https://github.com/freebsd/freebsd/commit/63a483ed5f4eaadb8979992c7a5de24c7a471c61 > (Fix a bug introduced in r329612 that slowly invalidates all clean bufs.): > > Today's > https://github.com/freebsd/freebsd/commit/66e8725e8d24141506bc4f458ec7d1a51e86304c > is broken, but if I revert 63a483ed5f4eaadb8979992c7a5de24c7a471c61, the bug > can not reproduce. > > Cc bde & jeff. I think I saw this a few months before that. My only history of this is that I built a UP kernel on 17 Dec 2017 to see if UP kernels had the bug. So SMP kernels probably had the bug then. Bruce
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